Single reservoir tank with serpentine air vent



FIG. 1 is a perspective view of the single reservoir tank with serpentine air vent showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. 

We claim the ornamental design for a single reservoir tank with serpentine air vent, as shown and described. 